Prepare grill with drip pan in the middle of the charcoal, or bottom of the grill to catch any liquids from cooking. Place chicken on a food handling surface. Pat dry with paper towels. Liberally apply kosher salt & pepper. Liberally apply Family Fajita Seasoning. Open can of beer and either drink or pour out half of the liquid. Place chicken standing up on preheated grill until inserted thermometer reads 165 degrees Fahrenheit. Remove from heat and remove can. Allow to rest for 20 minutes before cutting.